One person and three injured on Wednesday bomb blast in Damaturu, Yobe State.
The incident was said to have occurred after an Army officer approached a welding shop to repair an equipment belonging to the military.
It was gathered that, just when the welder switched on his machine to commence work, the equipment exploded, killing him on the spot.
Though, the exact cause of the explosion is unknown, speculations has it that a gas cylinder being used by the welder may have exploded.
Among those injured was a personnel of the Nigerian Army, who is currently in a critical condition.